Q33.5 Ectopic tissue in lung

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

MS-DRG index

Defines the logic of DRG(s) 205-206 in MDC 04.

Approximate ICD-9-CM (GEMs)

• 748.69 Other congenital anomalies of lung (approximate)

Code annotations containing back-references to Q33.5

Back-references to Q33

• Code Also: P28 Other respiratory conditions originating in the perinatal period (", if applicable, congenital malformations of the respiratory system (Q30-Q34)")

Diagnosis Index entries for Q33.5

• Ectopic, ectopia (congenital) › bone and cartilage in lung
• Ectopic, ectopia (congenital) › tissue in lung

Nearby codes

• Q33.0 Congenital cystic lung
• Q33.1 Accessory lobe of lung
• Q33.2 Sequestration of lung
• Q33.3 Agenesis of lung
• Q33.4 Congenital bronchiectasis
• Q33.5 Ectopic tissue in lung (this code)
• Q33.6 Congenital hypoplasia and dysplasia of lung
• Q33.8 Other congenital malformations of lung
• Q33.9 Congenital malformation of lung, unspecified